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sikiro.dapper.extension's Issues

只有Or条件时候生成sql错误。

True || $expression.Id == .Constant<CaiTu.Api.Repository.UserRepository+<>c__DisplayClass5_0>(CaiTu.Api.Repository.UserRepository+<>c__DisplayClass5_0).id
|| $expression.Id == .Constant<CaiTu.Api.Repository.UserRepository+<>c__DisplayClass5_0>(CaiTu.Api.Repository.UserRepository+<>c__DisplayClass5_0).id

当只有Or条件时候会生成这样的where条件。

WHERE ((@ OR (Id = @id)) OR (Id = @id))

我这边适当修改了一些。WhereExpression.SetParam(string fileName, object value) 内部应该将单个True转换为1=1就OK了

MySql的分页查询有问题吧?

SqlString += $"{selectSql} {fromTableSql} {nolockSql} {whereSql} {orderbySql} LIMIT {(pageIndex - 1) * pageSize},{pageIndex * pageSize}";

为什么查询的数量是pageIndex * pageSize?而不是pageSize?

请教代码问题:表达式树解析

List strs = new List() { "张三3" };
var model = con.QuerySet().Where(u=> strs.Contains(u.Name)).Get();
看到您的代码执行结果,将“strs.Contains(u.Name)”作为MethodCallExpression解析的时候,表达式Object类型是“ConstantExpression”,我尝试实现的时候发现Object是“MemberExpression”类型,这样就没有办法获取strs的值,请问是什么地方出现问题呢?

Update修改时间字段会报错

System.InvalidCastException: Unable to cast object of type 'System.Linq.Expressions.PropertyExpression' to type 'System.Linq.Expressions.ConstantExpression'.
at Sikiro.Dapper.Extension.Expressions.UpdateExpression.VisitMemberInit(MemberInitExpression node)
at System.Linq.Expressions.MemberInitExpression.Accept(ExpressionVisitor visitor)
at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
at System.Linq.Expressions.ExpressionVisitor.VisitLambda[T](Expression1 node) at System.Linq.Expressions.Expression1.Accept(ExpressionVisitor visitor)
at System.Linq.Expressions.ExpressionVisitor.Visit(Expression node)
at Sikiro.Dapper.Extension.Expressions.UpdateExpression..ctor(LambdaExpression expression, ProviderOption providerOption)
at Sikiro.Dapper.Extension.MsSql.MsSqlProvider.FormatUpdate[T](Expression1 updateExpression) at Sikiro.Dapper.Extension.Core.SetC.Command1.Update(Expression`1 updateExpression)

非映射字段

是否可以支持处理 不需要映射的属性 或者说忽略的属性

根据主键修改数据无效

当不写where条件。直接update应该是根据主键来修改数据库。但是这种情况下数据库的所有数据都被修改了。

枚举查询报错

枚举查询报错 比如 e=>e.Gender == GenderEnum.男
报错信息:需计算的条件表达式只支持由 MemberExpression 和 ConstantExpression 组成的表达式

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